Java tutorial
/** * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved. * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. * * This library is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more * details. */ package com.asu.poly.iProjects.service.persistence; import com.asu.poly.iProjects.NoSuchiProjectException; import com.asu.poly.iProjects.model.iProject; import com.asu.poly.iProjects.model.impl.iProjectImpl; import com.asu.poly.iProjects.model.impl.iProjectModelImpl; import com.liferay.portal.NoSuchModelException; import com.liferay.portal.kernel.bean.BeanReference; import com.liferay.portal.kernel.cache.CacheRegistryUtil; import com.liferay.portal.kernel.dao.orm.EntityCacheUtil; import com.liferay.portal.kernel.dao.orm.FinderCacheUtil; import com.liferay.portal.kernel.dao.orm.FinderPath; import com.liferay.portal.kernel.dao.orm.Query; import com.liferay.portal.kernel.dao.orm.QueryUtil; import com.liferay.portal.kernel.dao.orm.Session; import com.liferay.portal.kernel.exception.SystemException; import com.liferay.portal.kernel.log.Log; import com.liferay.portal.kernel.log.LogFactoryUtil; import com.liferay.portal.kernel.util.GetterUtil; import com.liferay.portal.kernel.util.InstanceFactory; import com.liferay.portal.kernel.util.OrderByComparator; import com.liferay.portal.kernel.util.PropsKeys; import com.liferay.portal.kernel.util.PropsUtil; import com.liferay.portal.kernel.util.StringBundler; import com.liferay.portal.kernel.util.StringUtil; import com.liferay.portal.model.CacheModel; import com.liferay.portal.model.ModelListener; import com.liferay.portal.service.persistence.BatchSessionUtil; import com.liferay.portal.service.persistence.ResourcePersistence; import com.liferay.portal.service.persistence.UserPersistence; import com.liferay.portal.service.persistence.impl.BasePersistenceImpl; import java.io.Serializable; import java.util.ArrayList; import java.util.Collections; import java.util.List; /** * The persistence implementation for the i project service. * * <p> * Caching information and settings can be found in <code>portal.properties</code> * </p> * * @author Shruthi * @see iProjectPersistence * @see iProjectUtil * @generated */ public class iProjectPersistenceImpl extends BasePersistenceImpl<iProject> implements iProjectPersistence { /* * NOTE FOR DEVELOPERS: * * Never modify or reference this class directly. Always use {@link iProjectUtil} to access the i project persistence. Modify <code>service.xml</code> and rerun ServiceBuilder to regenerate this class. */ public static final String FINDER_CLASS_NAME_ENTITY = iProjectImpl.class.getName(); public static final String FINDER_CLASS_NAME_LIST_WITH_PAGINATION = FINDER_CLASS_NAME_ENTITY + ".List1"; public static final String FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION = FINDER_CLASS_NAME_ENTITY + ".List2"; public static final FinderPath FINDER_PATH_WITH_PAGINATION_FIND_ALL = new FinderPath( iProjectModelImpl.ENTITY_CACHE_ENABLED, iProjectModelImpl.FINDER_CACHE_ENABLED, iProjectImpl.class, FINDER_CLASS_NAME_LIST_WITH_PAGINATION, "findAll", new String[0]); public static final FinderPath FINDER_PATH_WITHOUT_PAGINATION_FIND_ALL = new FinderPath( iProjectModelImpl.ENTITY_CACHE_ENABLED, iProjectModelImpl.FINDER_CACHE_ENABLED, iProjectImpl.class, FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION, "findAll", new String[0]); public static final FinderPath FINDER_PATH_COUNT_ALL = new FinderPath(iProjectModelImpl.ENTITY_CACHE_ENABLED, iProjectModelImpl.FINDER_CACHE_ENABLED, Long.class, FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION, "countAll", new String[0]); /** * Caches the i project in the entity cache if it is enabled. * * @param iProject the i project */ public void cacheResult(iProject iProject) { EntityCacheUtil.putResult(iProjectModelImpl.ENTITY_CACHE_ENABLED, iProjectImpl.class, iProject.getPrimaryKey(), iProject); iProject.resetOriginalValues(); } /** * Caches the i projects in the entity cache if it is enabled. * * @param iProjects the i projects */ public void cacheResult(List<iProject> iProjects) { for (iProject iProject : iProjects) { if (EntityCacheUtil.getResult(iProjectModelImpl.ENTITY_CACHE_ENABLED, iProjectImpl.class, iProject.getPrimaryKey()) == null) { cacheResult(iProject); } else { iProject.resetOriginalValues(); } } } /** * Clears the cache for all i projects. * * <p> * The {@link com.liferay.portal.kernel.dao.orm.EntityCache} and {@link com.liferay.portal.kernel.dao.orm.FinderCache} are both cleared by this method. * </p> */ @Override public void clearCache() { if (_HIBERNATE_CACHE_USE_SECOND_LEVEL_CACHE) { CacheRegistryUtil.clear(iProjectImpl.class.getName()); } EntityCacheUtil.clearCache(iProjectImpl.class.getName()); FinderCacheUtil.clearCache(FINDER_CLASS_NAME_ENTITY); FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITH_PAGINATION); FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION); } /** * Clears the cache for the i project. * * <p> * The {@link com.liferay.portal.kernel.dao.orm.EntityCache} and {@link com.liferay.portal.kernel.dao.orm.FinderCache} are both cleared by this method. * </p> */ @Override public void clearCache(iProject iProject) { EntityCacheUtil.removeResult(iProjectModelImpl.ENTITY_CACHE_ENABLED, iProjectImpl.class, iProject.getPrimaryKey()); FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITH_PAGINATION); FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION); } @Override public void clearCache(List<iProject> iProjects) { FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITH_PAGINATION); FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION); for (iProject iProject : iProjects) { EntityCacheUtil.removeResult(iProjectModelImpl.ENTITY_CACHE_ENABLED, iProjectImpl.class, iProject.getPrimaryKey()); } } /** * Creates a new i project with the primary key. Does not add the i project to the database. * * @param projectID the primary key for the new i project * @return the new i project */ public iProject create(long projectID) { iProject iProject = new iProjectImpl(); iProject.setNew(true); iProject.setPrimaryKey(projectID); return iProject; } /** * Removes the i project with the primary key from the database. Also notifies the appropriate model listeners. * * @param projectID the primary key of the i project * @return the i project that was removed * @throws com.asu.poly.iProjects.NoSuchiProjectException if a i project with the primary key could not be found * @throws SystemException if a system exception occurred */ public iProject remove(long projectID) throws NoSuchiProjectException, SystemException { return remove(Long.valueOf(projectID)); } /** * Removes the i project with the primary key from the database. Also notifies the appropriate model listeners. * * @param primaryKey the primary key of the i project * @return the i project that was removed * @throws com.asu.poly.iProjects.NoSuchiProjectException if a i project with the primary key could not be found * @throws SystemException if a system exception occurred */ @Override public iProject remove(Serializable primaryKey) throws NoSuchiProjectException, SystemException { Session session = null; try { session = openSession(); iProject iProject = (iProject) session.get(iProjectImpl.class, primaryKey); if (iProject == null) { if (_log.isWarnEnabled()) { _log.warn(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY + primaryKey); } throw new NoSuchiProjectException(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY + primaryKey); } return remove(iProject); } catch (NoSuchiProjectException nsee) { throw nsee; } catch (Exception e) { throw processException(e); } finally { closeSession(session); } } @Override protected iProject removeImpl(iProject iProject) throws SystemException { iProject = toUnwrappedModel(iProject); Session session = null; try { session = openSession(); BatchSessionUtil.delete(session, iProject); } catch (Exception e) { throw processException(e); } finally { closeSession(session); } clearCache(iProject); return iProject; } @Override public iProject updateImpl(com.asu.poly.iProjects.model.iProject iProject, boolean merge) throws SystemException { iProject = toUnwrappedModel(iProject); boolean isNew = iProject.isNew(); Session session = null; try { session = openSession(); BatchSessionUtil.update(session, iProject, merge); iProject.setNew(false); } catch (Exception e) { throw processException(e); } finally { closeSession(session); } FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITH_PAGINATION); if (isNew) { FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION); } EntityCacheUtil.putResult(iProjectModelImpl.ENTITY_CACHE_ENABLED, iProjectImpl.class, iProject.getPrimaryKey(), iProject); return iProject; } protected iProject toUnwrappedModel(iProject iProject) { if (iProject instanceof iProjectImpl) { return iProject; } iProjectImpl iProjectImpl = new iProjectImpl(); iProjectImpl.setNew(iProject.isNew()); iProjectImpl.setPrimaryKey(iProject.getPrimaryKey()); iProjectImpl.setProjectID(iProject.getProjectID()); iProjectImpl.setProjectTitle(iProject.getProjectTitle()); iProjectImpl.setProjectdescription(iProject.getProjectdescription()); iProjectImpl.setSponsor(iProject.getSponsor()); iProjectImpl.setRequiredSkills(iProject.getRequiredSkills()); iProjectImpl.setContact(iProject.getContact()); iProjectImpl.setStatus(iProject.getStatus()); iProjectImpl.setLink(iProject.getLink()); iProjectImpl.setDepartments(iProject.getDepartments()); iProjectImpl.setDateAdded(iProject.getDateAdded()); iProjectImpl.setDateModified(iProject.getDateModified()); return iProjectImpl; } /** * Returns the i project with the primary key or throws a {@link com.liferay.portal.NoSuchModelException} if it could not be found. * * @param primaryKey the primary key of the i project * @return the i project * @throws com.liferay.portal.NoSuchModelException if a i project with the primary key could not be found * @throws SystemException if a system exception occurred */ @Override public iProject findByPrimaryKey(Serializable primaryKey) throws NoSuchModelException, SystemException { return findByPrimaryKey(((Long) primaryKey).longValue()); } /** * Returns the i project with the primary key or throws a {@link com.asu.poly.iProjects.NoSuchiProjectException} if it could not be found. * * @param projectID the primary key of the i project * @return the i project * @throws com.asu.poly.iProjects.NoSuchiProjectException if a i project with the primary key could not be found * @throws SystemException if a system exception occurred */ public iProject findByPrimaryKey(long projectID) throws NoSuchiProjectException, SystemException { iProject iProject = fetchByPrimaryKey(projectID); if (iProject == null) { if (_log.isWarnEnabled()) { _log.warn(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY + projectID); } throw new NoSuchiProjectException(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY + projectID); } return iProject; } /** * Returns the i project with the primary key or returns <code>null</code> if it could not be found. * * @param primaryKey the primary key of the i project * @return the i project, or <code>null</code> if a i project with the primary key could not be found * @throws SystemException if a system exception occurred */ @Override public iProject fetchByPrimaryKey(Serializable primaryKey) throws SystemException { return fetchByPrimaryKey(((Long) primaryKey).longValue()); } /** * Returns the i project with the primary key or returns <code>null</code> if it could not be found. * * @param projectID the primary key of the i project * @return the i project, or <code>null</code> if a i project with the primary key could not be found * @throws SystemException if a system exception occurred */ public iProject fetchByPrimaryKey(long projectID) throws SystemException { iProject iProject = (iProject) EntityCacheUtil.getResult(iProjectModelImpl.ENTITY_CACHE_ENABLED, iProjectImpl.class, projectID); if (iProject == _nulliProject) { return null; } if (iProject == null) { Session session = null; boolean hasException = false; try { session = openSession(); iProject = (iProject) session.get(iProjectImpl.class, Long.valueOf(projectID)); } catch (Exception e) { hasException = true; throw processException(e); } finally { if (iProject != null) { cacheResult(iProject); } else if (!hasException) { EntityCacheUtil.putResult(iProjectModelImpl.ENTITY_CACHE_ENABLED, iProjectImpl.class, projectID, _nulliProject); } closeSession(session); } } return iProject; } /** * Returns all the i projects. * * @return the i projects * @throws SystemException if a system exception occurred */ public List<iProject> findAll() throws SystemException { return findAll(QueryUtil.ALL_POS, QueryUtil.ALL_POS, null); } /** * Returns a range of all the i projects. * * <p> * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set. * </p> * * @param start the lower bound of the range of i projects * @param end the upper bound of the range of i projects (not inclusive) * @return the range of i projects * @throws SystemException if a system exception occurred */ public List<iProject> findAll(int start, int end) throws SystemException { return findAll(start, end, null); } /** * Returns an ordered range of all the i projects. * * <p> * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set. * </p> * * @param start the lower bound of the range of i projects * @param end the upper bound of the range of i projects (not inclusive) * @param orderByComparator the comparator to order the results by (optionally <code>null</code>) * @return the ordered range of i projects * @throws SystemException if a system exception occurred */ public List<iProject> findAll(int start, int end, OrderByComparator orderByComparator) throws SystemException { FinderPath finderPath = null; Object[] finderArgs = new Object[] { start, end, orderByComparator }; if ((start == QueryUtil.ALL_POS) && (end == QueryUtil.ALL_POS) && (orderByComparator == null)) { finderPath = FINDER_PATH_WITHOUT_PAGINATION_FIND_ALL; finderArgs = FINDER_ARGS_EMPTY; } else { finderPath = FINDER_PATH_WITH_PAGINATION_FIND_ALL; finderArgs = new Object[] { start, end, orderByComparator }; } List<iProject> list = (List<iProject>) FinderCacheUtil.getResult(finderPath, finderArgs, this); if (list == null) { StringBundler query = null; String sql = null; if (orderByComparator != null) { query = new StringBundler(2 + (orderByComparator.getOrderByFields().length * 3)); query.append(_SQL_SELECT_IPROJECT); appendOrderByComparator(query, _ORDER_BY_ENTITY_ALIAS, orderByComparator); sql = query.toString(); } else { sql = _SQL_SELECT_IPROJECT; } Session session = null; try { session = openSession(); Query q = session.createQuery(sql); if (orderByComparator == null) { list = (List<iProject>) QueryUtil.list(q, getDialect(), start, end, false); Collections.sort(list); } else { list = (List<iProject>) QueryUtil.list(q, getDialect(), start, end); } } catch (Exception e) { throw processException(e); } finally { if (list == null) { FinderCacheUtil.removeResult(finderPath, finderArgs); } else { cacheResult(list); FinderCacheUtil.putResult(finderPath, finderArgs, list); } closeSession(session); } } return list; } /** * Removes all the i projects from the database. * * @throws SystemException if a system exception occurred */ public void removeAll() throws SystemException { for (iProject iProject : findAll()) { remove(iProject); } } /** * Returns the number of i projects. * * @return the number of i projects * @throws SystemException if a system exception occurred */ public int countAll() throws SystemException { Long count = (Long) FinderCacheUtil.getResult(FINDER_PATH_COUNT_ALL, FINDER_ARGS_EMPTY, this); if (count == null) { Session session = null; try { session = openSession(); Query q = session.createQuery(_SQL_COUNT_IPROJECT); count = (Long) q.uniqueResult(); } catch (Exception e) { throw processException(e); } finally { if (count == null) { count = Long.valueOf(0); } FinderCacheUtil.putResult(FINDER_PATH_COUNT_ALL, FINDER_ARGS_EMPTY, count); closeSession(session); } } return count.intValue(); } /** * Initializes the i project persistence. */ public void afterPropertiesSet() { String[] listenerClassNames = StringUtil.split(GetterUtil.getString(com.liferay.util.service.ServiceProps .get("value.object.listener.com.asu.poly.iProjects.model.iProject"))); if (listenerClassNames.length > 0) { try { List<ModelListener<iProject>> listenersList = new ArrayList<ModelListener<iProject>>(); for (String listenerClassName : listenerClassNames) { listenersList.add((ModelListener<iProject>) InstanceFactory.newInstance(listenerClassName)); } listeners = listenersList.toArray(new ModelListener[listenersList.size()]); } catch (Exception e) { _log.error(e); } } } public void destroy() { EntityCacheUtil.removeCache(iProjectImpl.class.getName()); FinderCacheUtil.removeCache(FINDER_CLASS_NAME_ENTITY); FinderCacheUtil.removeCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION); } @BeanReference(type = iProjectPersistence.class) protected iProjectPersistence iProjectPersistence; @BeanReference(type = ResourcePersistence.class) protected ResourcePersistence resourcePersistence; @BeanReference(type = UserPersistence.class) protected UserPersistence userPersistence; private static final String _SQL_SELECT_IPROJECT = "SELECT iProject FROM iProject iProject"; private static final String _SQL_COUNT_IPROJECT = "SELECT COUNT(iProject) FROM iProject iProject"; private static final String _ORDER_BY_ENTITY_ALIAS = "iProject."; private static final String _NO_SUCH_ENTITY_WITH_PRIMARY_KEY = "No iProject exists with the primary key "; private static final boolean _HIBERNATE_CACHE_USE_SECOND_LEVEL_CACHE = GetterUtil .getBoolean(PropsUtil.get(PropsKeys.HIBERNATE_CACHE_USE_SECOND_LEVEL_CACHE)); private static Log _log = LogFactoryUtil.getLog(iProjectPersistenceImpl.class); private static iProject _nulliProject = new iProjectImpl() { @Override public Object clone() { return this; } @Override public CacheModel<iProject> toCacheModel() { return _nulliProjectCacheModel; } }; private static CacheModel<iProject> _nulliProjectCacheModel = new CacheModel<iProject>() { public iProject toEntityModel() { return _nulliProject; } }; }